EP1003202A3 - Discharge lamp - Google Patents

Discharge lamp Download PDF

Info

Publication number
EP1003202A3
EP1003202A3 EP99308633A EP99308633A EP1003202A3 EP 1003202 A3 EP1003202 A3 EP 1003202A3 EP 99308633 A EP99308633 A EP 99308633A EP 99308633 A EP99308633 A EP 99308633A EP 1003202 A3 EP1003202 A3 EP 1003202A3
Authority
EP
European Patent Office
Prior art keywords
lamp body
discharge lamp
reflector
fitted
lamp
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP99308633A
Other languages
German (de)
French (fr)
Other versions
EP1003202A2 (en
EP1003202B1 (en
Inventor
Atsuji Nakagawa
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Phoenix Electric Co Ltd
Original Assignee
Phoenix Electric Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Phoenix Electric Co Ltd filed Critical Phoenix Electric Co Ltd
Publication of EP1003202A2 publication Critical patent/EP1003202A2/en
Publication of EP1003202A3 publication Critical patent/EP1003202A3/en
Application granted granted Critical
Publication of EP1003202B1 publication Critical patent/EP1003202B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J5/00—Details relating to vessels or to leading-in conductors common to two or more basic types of discharge tubes or lamps
    • H01J5/02—Vessels; Containers; Shields associated therewith; Vacuum locks
    • H01J5/03—Arrangements for preventing or mitigating effects of implosion of vessels or containers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/02—Details
    • H01J61/025—Associated optical elements
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/02—Details
    • H01J61/30—Vessels; Containers
    • H01J61/34—Double-wall vessels or containers

Landscapes

  • Projection Apparatus (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Vessels And Coating Films For Discharge Lamps (AREA)
  • Light Sources And Details Of Projection-Printing Devices (AREA)

Abstract

A discharge lamp is provided which employs a higher-pressure and higher-wattage lamp body 1 and is capable of effectively preventing the scattering of broken pieces of the lamp body 1 at explosion of the lamp body 1. The discharge lamp comprises a lamp body 1, a reflector 2 having the lamp body 1, and a front glass 3 fitted on a front portion of the reflector 2, wherein the reflector 2 has vent holes 4 in which mesh sheets 6 or perforated plates 5 are fitted.
EP99308633A 1998-10-30 1999-10-29 Discharge lamp Expired - Lifetime EP1003202B1 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP31079398 1998-10-30
JP31079398 1998-10-30
JP20326799 1999-07-16
JP20326799A JP2000200511A (en) 1998-10-30 1999-07-16 Discharge lamp

Publications (3)

Publication Number Publication Date
EP1003202A2 EP1003202A2 (en) 2000-05-24
EP1003202A3 true EP1003202A3 (en) 2000-11-15
EP1003202B1 EP1003202B1 (en) 2008-05-07

Family

ID=26513837

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99308633A Expired - Lifetime EP1003202B1 (en) 1998-10-30 1999-10-29 Discharge lamp

Country Status (4)

Country Link
US (1) US6509674B1 (en)
EP (1) EP1003202B1 (en)
JP (1) JP2000200511A (en)
DE (1) DE69938640D1 (en)

Families Citing this family (41)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001345069A (en) 2000-05-31 2001-12-14 Matsushita Electric Ind Co Ltd Discharge lamp and lamp unit, as well as manufacturing method of lamp unit
DE10040887A1 (en) * 2000-08-18 2001-08-30 Philips Corp Intellectual Pty Halogen incandescent lamp for motor vehicle has elongated bulb closed at one end, vacuum tight compression at other end, incandescent element, base, current leads, optical absorption filter
JP3664065B2 (en) 2000-09-29 2005-06-22 セイコーエプソン株式会社 Light source device and projector
JP3512745B2 (en) * 2001-01-18 2004-03-31 松下電器産業株式会社 Light source device and projector using the same
US6759794B2 (en) * 2001-04-27 2004-07-06 General Electric Company Discharge lamp with vented reflector
US6966654B2 (en) * 2001-05-28 2005-11-22 Seiko Epson Corporation Projector
JP3987366B2 (en) * 2001-10-11 2007-10-10 三菱電機株式会社 Light source device and projection display device
JP4096598B2 (en) * 2001-11-06 2008-06-04 株式会社日立製作所 Light source for projection apparatus and projection-type image display apparatus using the same
JP4055420B2 (en) * 2002-01-23 2008-03-05 セイコーエプソン株式会社 Light source device and projector provided with the light source device
US7052147B2 (en) * 2003-02-20 2006-05-30 Seiko Epson Corporation Light source, and projector provided with the light source
JP3829813B2 (en) * 2003-02-25 2006-10-04 セイコーエプソン株式会社 projector
EP1471563A2 (en) * 2003-04-21 2004-10-27 Matsushita Electric Industrial Co., Ltd. Lamps with reflector and respective image projection apparatuses
JP4281436B2 (en) 2003-07-07 2009-06-17 株式会社日立製作所 Video display device
JP4273912B2 (en) * 2003-10-07 2009-06-03 ウシオ電機株式会社 Light source device
JP4645101B2 (en) * 2004-01-23 2011-03-09 株式会社日立製作所 projector
JP4511275B2 (en) * 2004-01-30 2010-07-28 三洋電機株式会社 Projection display device
JP2006011337A (en) * 2004-06-23 2006-01-12 Plus Vision Corp Lamp light source device
JP2006073432A (en) * 2004-09-03 2006-03-16 Phoenix Denki Kk Ultra-high-pressure discharge lamp unit and light source device
JP2007335080A (en) * 2004-09-17 2007-12-27 Light Boy Co Ltd Lighting device
DE102005000713A1 (en) * 2005-01-03 2006-07-13 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Lamp module for projectors
JP2006260865A (en) * 2005-03-16 2006-09-28 Mitsubishi Electric Corp Light-source equipment and projection type image display device
JP4656973B2 (en) * 2005-03-16 2011-03-23 三菱電機株式会社 Light source device and projection display device
JP4502885B2 (en) * 2005-06-01 2010-07-14 三洋電機株式会社 Projection display
JP2007080796A (en) * 2005-09-16 2007-03-29 Toshiba Corp Light source lamp
JP2007121824A (en) * 2005-10-31 2007-05-17 Sanyo Electric Co Ltd Projection type image display apparatus
JP4166255B2 (en) * 2006-08-31 2008-10-15 三洋電機株式会社 Light source device and projection-type image display device using the same
US9140968B2 (en) * 2007-06-29 2015-09-22 Seiko Epson Corporation Projection device particle-containment shield
CN101413643B (en) * 2007-10-17 2010-06-16 鸿富锦精密工业（深圳）有限公司 Illuminating device
TWI354181B (en) * 2008-02-04 2011-12-11 Coretronic Corp Light source module of projector
DE102008021550B4 (en) * 2008-04-28 2011-12-01 Auer Lighting Gmbh High-power lamp with a lamp and a reflector
US20110074273A1 (en) * 2008-05-29 2011-03-31 Josef Kroell Explosion Protection System for a High Pressure Lamp
CN101644423B (en) * 2008-08-08 2011-03-30 鸿富锦精密工业（深圳）有限公司 Light source protection device
USRE47293E1 (en) 2009-01-20 2019-03-12 Panasonic Corporation Illuminating apparatus
TW201102745A (en) * 2009-07-15 2011-01-16 Qisda Corp Projector
JP4991834B2 (en) * 2009-12-17 2012-08-01 シャープ株式会社 Vehicle headlamp
JP5232815B2 (en) * 2010-02-10 2013-07-10 シャープ株式会社 Vehicle headlamp
US20110280033A1 (en) * 2010-05-17 2011-11-17 Sharp Kabushiki Kaisha Light-emitting device, illumination device, and vehicle headlamp
US8733996B2 (en) 2010-05-17 2014-05-27 Sharp Kabushiki Kaisha Light emitting device, illuminating device, and vehicle headlamp
GB2482910A (en) * 2010-08-20 2012-02-22 Gm Global Tech Operations Inc Vehicle lamp
US9816677B2 (en) 2010-10-29 2017-11-14 Sharp Kabushiki Kaisha Light emitting device, vehicle headlamp, illumination device, and laser element
CN104180173A (en) * 2014-06-15 2014-12-03 王玲玲 Sucker type illumination device

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5220235A (en) * 1990-04-20 1993-06-15 Koito Manufacturing Co., Ltd. Discharge lamp device
EP0595412A1 (en) * 1992-10-30 1994-05-04 Koninklijke Philips Electronics N.V. Unit of electric lamp and reflector
DE19624860A1 (en) * 1996-04-04 1997-10-09 Peter Grimm Compact electronic fluorescent lamp with external envelope in light bulb form
US5698936A (en) * 1995-03-02 1997-12-16 U.S. Philips Corporation Electric reflector lamp having a bearing plate and a cement mount

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3684908A (en) * 1970-09-25 1972-08-15 Itt Sealed beam high intensity xenon lamp with cooling structure
US4053759A (en) * 1973-04-27 1977-10-11 Optical Radiation Corporation Lamphouse and module for photographic slide projectors
DE3033688A1 (en) * 1980-09-08 1982-04-22 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH, 8000 München ARRANGEMENT WITH HIGH PRESSURE DISCHARGE LAMP AND REFLECTOR AS A BUILDING UNIT
US4925295A (en) * 1986-03-17 1990-05-15 Casio Computer Co., Ltd. Projection display apparatus
US5377086A (en) * 1992-04-03 1994-12-27 Sportlite, Inc. Lighting apparatus
JP3381566B2 (en) * 1997-07-18 2003-03-04 ウシオ電機株式会社 Light source unit
US6133676A (en) * 1997-09-10 2000-10-17 Chen; Chun Tsun Double-enveloped halogen bulb provided with protuberances in the outer surface of the envelope
US5947590A (en) * 1997-09-15 1999-09-07 Hughes-Jvc Technology Corporation High power arc lamp reflector with shroud and plurality of cooling fins on exterior surface of reflector for image projector
JPH11195322A (en) * 1997-11-04 1999-07-21 Seiko Epson Corp Light source unit and projection display unit
US6078136A (en) * 1998-11-06 2000-06-20 Royal Lite Manufacturing And Supply Corp. Fluorescent lamp with a protective assembly having vent holes
US6306010B1 (en) * 1999-10-26 2001-10-23 Industrial Gasket, Inc. Method of forming a hole in a glass reflector

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5220235A (en) * 1990-04-20 1993-06-15 Koito Manufacturing Co., Ltd. Discharge lamp device
EP0595412A1 (en) * 1992-10-30 1994-05-04 Koninklijke Philips Electronics N.V. Unit of electric lamp and reflector
US5698936A (en) * 1995-03-02 1997-12-16 U.S. Philips Corporation Electric reflector lamp having a bearing plate and a cement mount
DE19624860A1 (en) * 1996-04-04 1997-10-09 Peter Grimm Compact electronic fluorescent lamp with external envelope in light bulb form

Also Published As

Publication number Publication date
EP1003202A2 (en) 2000-05-24
DE69938640D1 (en) 2008-06-19
JP2000200511A (en) 2000-07-18
US6509674B1 (en) 2003-01-21
EP1003202B1 (en) 2008-05-07

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